Add methods to FileLocator which throw if the file isn't found.
Add methods to FileLocator which throw if the file isn't found.

hatton/libpalaso,andrew-polk/libpalaso,andrew-polk/libpalaso,darcywong00/libpalaso,mccarthyrb/libpalaso,sillsdev/libpalaso,hatton/libpalaso,chrisvire/libpalaso,ddaspit/libpalaso,darcywong00/libpalaso,marksvc/libpalaso,tombogle/libpalaso,ermshiperete/libpalaso,tombogle/libpalaso,JohnThomson/libpalaso,ddaspit/libpalaso,glasseyes/libpalaso,mccarthyrb/libpalaso,hatton/libpalaso,sillsdev/libpalaso,gtryus/libpalaso,gmartin7/libpalaso,glasseyes/libpalaso,darcywong00/libpalaso,sillsdev/libpalaso,ermshiperete/libpalaso,gmartin7/libpalaso,ddaspit/libpalaso,gtryus/libpalaso,mccarthyrb/libpalaso,ermshiperete/libpalaso,tombogle/libpalaso,glasseyes/libpalaso,gmartin7/libpalaso,gtryus/libpalaso,JohnThomson/libpalaso,andrew-polk/libpalaso,hatton/libpalaso,andrew-polk/libpalaso,JohnThomson/libpalaso,marksvc/libpalaso,sillsdev/libpalaso,mccarthyrb/libpalaso,chrisvire/libpalaso,JohnThomson/libpalaso,ddaspit/libpalaso,gmartin7/libpalaso,gtryus/libpalaso,tombogle/libpalaso,glasseyes/libpalaso,ermshiperete/libpalaso,marksvc/libpalaso,chrisvire/libpalaso,chrisvire/libpalaso